Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Condensed Statement of Income Captions [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	$ (1,020)	$ (50)	$ 21,944
Other Comprehensive Income (Loss), Tax	34,732	28,913	8,687
Pension Plan, Defined Benefit [Member]
Condensed Statement of Income Captions [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	0	0	18,481
Cash Flow Hedging
Condensed Statement of Income Captions [Line Items]
Other Comprehensive Income (Loss), Tax	$ (1,020)	$ 50	$ 3,463